" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
t=czas=0,5min=30s
szukane: W=praca
P=W/t
W=P*t=1200W*30s=36 000j=36kJ
1 kW = 1000 W
P = 1,2 kW = 1200 W
t = 30 s
Sz;
W = ?
P = W/t | * t
P * t = W/t * t
W = P * t
W = 1200 W * 30 s
W = 36000 J
odp; w ciagu pol minuty wykonuje prace 36000J